<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>

    <button id="btn">提交</button>

    <script>
        const btn = document.getElementById('btn')
        console.log(btn);

        function handle(){
            console.log('提交')
        }

        btn.addEventListener('click',debounce(handle,1000))
        function debounce(){
            return function(){
                console.log('提交');
                
            }
        }


    </script>
</body>
</html>